The Grunewald House Of Music was a large retail music store chain based in New Orleans, Louisiana during the late 19th and early 20th Century era. Louis Grunewald started out selling several popular lines of upright and player pianos, but also offered pianos under the “L. Grunewald Piano Company”  brand name.

In the 19th Century, L. Grunewald sold pianos built by famous American makers including Steinway and Chickering.  The firm also imported a number of Pleyel pianos from Paris.  Pianos sold under the L. Grunewald Piano Company brand name were built by The Bradbury Piano Company and The Winter Piano Company under special contract. It is unclear if Grunewald actually built any of their own pianos.  Pianos sold under the L. Grunewald Piano Company brand name were generally well made, durable instruments, and they were sold as an affordable alternative to the costlier brand names also sold by the firm in their large retail stores.